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Performance analysis of maximum ratio transmission based multi-cellular MIMO systems

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2 Author(s)
Tokgoz, Y. ; QUALCOMM Inc., San Diego, CA, USA ; Rao, B.D.

In this paper, we analyze the performance of the uplink of multi-cellular MIMO systems in flat Rayleigh fading. There is co-channel interference from users within the same cell as well as from other cell users. I The channel model includes lognormal shadowing and path loss along with power control, resulting in a statistical model for user powers. Consistent with practical scenarios, the co-channel interference is categorized into two groups: intracell interference from users within the same cell as the desired user and intercell interference from outer cell users. We derive a compact, easily computable closed form outage probability expression in the form of finite sums. This expression allows for simpler and faster analysis of various MIMO configurations. It has been shown that using antennas on the receiver side results in better performance, since transmit diversity does not combat interference from same cell users.

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Wireless Communications, IEEE Transactions on  (Volume:5 ,  Issue: 1 )